Patents
Patents for H02K 15 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing dynamo-electric machines (28,046)
01/1993
01/07/1993EP0352271B1 Method and device for the assembly of small electrical machines
01/05/1993US5177054 Flux trapped superconductor motor and method therefor
12/1992
12/30/1992EP0520631A2 Micromechanical magnetic devices and method of producing the same
12/30/1992CN2126477U Mini-size electric machine winding die set
12/30/1992CN1067533A Stator of rotating electric machine
12/29/1992US5175461 Permanent magnet rotor having magnet positioning and retaining means
12/29/1992US5174025 Method of manufacturing a hub for a spindle motor
12/29/1992US5174013 Winding apparatus and method which deforms the wire during winding
12/29/1992US5174011 Method for preparing the rotor of a turbogenerator
12/29/1992US5174009 Apparatus for forming a stack of interlocked laminations that can be used as a rotor in an electric motor
12/29/1992CA1312113C Motor field winding with intermediate tap
12/23/1992EP0519679A1 armature winding structure
12/22/1992US5173628 Brushless motor
12/22/1992US5172870 Method of winding an armature and armature produced by the method
12/16/1992CN2125204U Induction electrothermal drying device for electric motor
12/10/1992WO1992022121A1 Electrical machines
12/10/1992CA2109821A1 Electrical machines
12/09/1992CN1066938A Electric motor stator and their production method
12/09/1992CN1019439B Energy-saving multispeed asynchronous motor
12/08/1992US5170085 Rotor for rotary machine with permanent magnets
12/08/1992US5170084 Wide-angle arc segment magnet and brush motor containing it
12/08/1992US5170082 Ring-shaped magnetic sheet; teeth-shaped magnetic poles; corrosion protective nickel layer
12/08/1992US5169054 Method of manufacturing composite structures
12/08/1992CA1311216C Flexible magnet for use in small dc motors and apparatus for making same
12/01/1992CA1310821C Gallium-containing magnet for a motor
11/1992
11/25/1992EP0514875A2 Armature core
11/18/1992CN1066346A Electric conductor with length-slot and slits perpendicular to length-slot
11/17/1992US5163217 Die for manufacturing laminated core
11/12/1992WO1992020140A1 Electrical conductors with a longitudinal groove and slots perpendicular thereto
11/12/1992WO1992020132A1 Stator of electric rotating machine
11/11/1992CN2121768U Motor electrothermal drier
11/11/1992CN2121766U 电动机 Electric motor
11/10/1992CA1310056C2 Permanent magnet rotor assembly
11/10/1992CA1309846C Completing a linear motor stator
11/03/1992CA1309577C Insertion finger
10/1992
10/27/1992US5159221 Brush holder structure in electric motor
10/21/1992EP0509366A2 Method and device for resin trickle impregnation
10/20/1992US5157292 Electric motor
10/15/1992DE4111411A1 High speed electric motor rotor with protective cover and contg. breakable components - has cover formed as screw spring of draw type with windings in untensioned state locating against each other or spaced apart
10/14/1992EP0508937A1 Apparatus and method for aligning stacked laminations of a dynamoelectric machine
10/14/1992EP0508936A1 Flux-trapped superconductive motor and method therefor
10/14/1992EP0508497A2 Composite structures and methods of manufacturing the same
10/14/1992EP0508198A2 Apparatus for substantially simultaneously processing multiple electric motor parts
10/14/1992CN2119043U Winding mould for hollow cup coil of micro motor
10/14/1992CN2119042U Groove punching and widning mahcine tool
10/13/1992US5155403 Coil winding armatures and arrangement of parallel coils
10/13/1992US5153979 Method of manufacturing a commutator
10/07/1992EP0507357A2 Composite structures and methods of manufacturing the same
10/07/1992EP0507211A2 Manufacturing device for an electrical winding core provided with an insulation layer and core manufactured with this device
10/07/1992EP0507203A1 A method of making electric motor components and a motor utilizing components made according to the method
10/01/1992DE4109729A1 DC motor fitted with magnet ring sectors for field excitation - has radially magnetised main pole on each side of which is vertically magnetised and has auxiliary pole forming turning field
09/1992
09/30/1992EP0505476A1 Slotless, brushless, large air-gap electric motor
09/29/1992US5150589 Laundry machine
09/23/1992EP0504233A1 Process and device for verifying the cut-off torque of an actuator.
09/23/1992CN2116987U Combined model for winding
09/23/1992CN1018411B Embedding-winding method and equipment for directly-wound hollow cup-type armature
09/22/1992US5149483 Method of resin impregnating electric machinery
09/22/1992US5149477 Process for producing a resin bonded magnet structure
09/22/1992US5149000 Machine for winding two-pole stators
09/16/1992CN2116301U Rotator of brushless motor
09/09/1992EP0502135A1 An electromotor with laminated stator and method of manufacturing the same
09/08/1992US5145052 Apparatus for substantially simultaneously processing multiple electric motor parts
09/08/1992US5144735 Apparatus for assembling a permanent magnet rotor
09/03/1992DE4106148A1 Precise radius deep-drawn bearing seat mfr. for electric motor housing - involves removal of superfluous metal from peaks and its compression into troughs of roughly prepd. surface
09/02/1992EP0501815A2 Method of manufacturing a magnetic medium
09/02/1992EP0501516A2 Armature core wire winding method
09/02/1992EP0501264A2 Apparatus for applying a powdered coating to a workpiece
09/02/1992CN2114919U Universal winding frame for motor coil
09/02/1992CN1018124B Rotor balancing
09/01/1992US5144181 Metal-plated graphite brush including fibrous material, particle sizes, pressure-forming and sintering graphite powder and fibrous material
08/1992
08/27/1992DE4105733A1 Motorstillstandsheizung Motor heating
08/25/1992US5142179 Stator structure of built-in motor
08/25/1992US5142178 Apparatus for aligning stacked laminations of a dynamoelectric machine
08/25/1992US5140740 Method of retrofitting a stator end winding
08/24/1992WO1992015144A1 Standstill heating unit for electric motor
08/24/1992CA2104682A1 Standstill heating unit for electric motor
08/20/1992DE4202467A1 Mfg. stator and rotor of asynchronous motor - forming stator and rotor with inclined grooves, with windings moulded, heated to high temp. then cooled rapidly
08/19/1992CN1063781A Armature for miniature motors and method of winding coils on same
08/18/1992US5140213 Collector for a dynamo electric machine
08/11/1992US5137221 Rapidly changeable chucks for holding stators in stator processing apparatus
08/11/1992CA1306279C Method of optimizing armature balance through lamination orientation
08/04/1992US5134769 Method and apparatus for preforming and final forming of stator coil end turns
07/1992
07/29/1992EP0496075A1 Electric motor
07/29/1992CN2111586U Combined motor wire model
07/28/1992US5134327 Resin-molded motor and a method for its manufacture
07/22/1992EP0495389A2 All wheel steering for a motor vehicle
07/22/1992CN1062999A Method for winding coils on y-connection armature for miniature motors
07/15/1992EP0494810A1 Process for manufacturing a static electromagnetic inductor
07/14/1992US5130596 Armature of a rotary electric machine with a commutator and a conductor for the armature coil
07/14/1992US5130589 Imbalance correcting apparatus for a rotor
07/08/1992CN2109658U Improved structure of brushless dc motor stator
07/08/1992CN2109656U Automatic groove jump thread winder
07/07/1992US5128576 Rotor assembly and motor construction and method of making same
07/07/1992US5127594 Tool changing methods and apparatus for an armature winding machine
07/07/1992US5127148 Method of fabricating a dynameoelectric machine
07/07/1992CA1304776C Control device of deep-sea electric motor
06/1992
06/23/1992US5124607 Dynamoelectric machines including metal filled glass cloth slot closure wedges, and methods of making the same
06/23/1992US5123155 Apparatus and method for manufacturing laminated parts
06/17/1992EP0490173A2 Stator winding machine
06/17/1992EP0489962A1 Method and device for impregnating and/or coating of objects